<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="分配编号" prop="allocationId">
        <el-input v-model="queryParams.allocationId" placeholder="请输入分配编号" clearable @keyup.enter.native="handleQuery"/>
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="分配状态" clearable>
          <el-option v-for="dict in dict.type.aid_allocation_status" :key="dict.value" :label="dict.label" :value="dict.value"/>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd"
          v-hasPermi="['aid:allocation:add']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" plain icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate"
          v-hasPermi="['aid:allocation:edit']">修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="danger" plain icon="el-icon-delete" size="mini" :disabled="multiple" @click="handleDelete"
          v-hasPermi="['aid:allocation:remove']">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="el-icon-download" size="mini" @click="handleExport"
          v-hasPermi="['aid:allocation:export']">导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="allocationList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center"/>
      <el-table-column label="分配编号" align="center" prop="allocationId"/>
      <el-table-column label="分配标题" align="center" prop="allocationTitle"/>
      <el-table-column label="捐赠标题" align="center" prop="donationTitle"/>
      <el-table-column label="需求标题" align="center" prop="demandTitle"/>
      <el-table-column label="物资类型" align="center" prop="materialType"/>
      <el-table-column label="分配数量" align="center" prop="quantity"/>
      <el-table-column label="单位" align="center" prop="unit"/>
      <el-table-column label="状态" align="center" prop="status">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.aid_allocation_status" :value="scope.row.status"/>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)"
            v-hasPermi="['aid:allocation:edit']">修改</el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
            v-hasPermi="['aid:allocation:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total>0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize"
      @pagination="getList"/>

    <!-- 添加或修改物资分配对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="分配标题" prop="allocationTitle">
          <el-input v-model="form.allocationTitle" placeholder="请输入分配标题"/>
        </el-form-item>
        <el-form-item label="捐赠ID" prop="donationId">
          <el-select v-model="form.donationId" placeholder="请选择捐赠" @change="handleDonationChange">
            <el-option v-for="item in donationOptions" :key="item.donationId" 
              :label="item.donationTitle + ' (' + item.materialType + ' - ' + item.quantity + item.unit + ')'" 
              :value="item.donationId"/>
          </el-select>
        </el-form-item>
        <el-form-item label="需求ID" prop="demandId">
          <el-select v-model="form.demandId" placeholder="请选择需求" @change="handleDemandChange">
            <el-option v-for="item in demandOptions" :key="item.demandId" 
              :label="item.demandTitle + ' (' + item.materialType + ' - ' + item.quantity + item.unit + ')'" 
              :value="item.demandId"/>
          </el-select>
        </el-form-item>
        <el-form-item label="分配数量" prop="quantity">
          <el-input-number v-model="form.quantity" :min="1" controls-position="right" placeholder="请输入分配数量"/>
        </el-form-item>
        <el-form-item label="单位" prop="unit">
          <el-input v-model="form.unit" placeholder="请输入单位"/>
        </el-form-item>
        <el-form-item label="接收人" prop="recipientName">
          <el-input v-model="form.recipientName" placeholder="请输入接收人姓名"/>
        </el-form-item>
        <el-form-item label="联系电话" prop="recipientPhone">
          <el-input v-model="form.recipientPhone" placeholder="请输入联系电话"/>
        </el-form-item>
        <el-form-item label="地址" prop="address">
          <el-input v-model="form.address" placeholder="请输入地址"/>
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" type="textarea" placeholder="请输入内容"/>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { 
  listAllocation, 
  getAllocation, 
  delAllocation, 
  addAllocation, 
  updateAllocation, 
  exportAllocation,
  getAvailableDonations,
  getUnfulfilledDemands
} from "@/api/aid/allocation";

export default {
  name: "Allocation",
  dicts: ['aid_allocation_status'],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 物资分配表格数据
      allocationList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 可用捐赠列表
      donationOptions: [],
      // 未满足需求列表
      demandOptions: [],
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        allocationId: null,
        status: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        allocationTitle: [
          { required: true, message: "分配标题不能为空", trigger: "blur" }
        ],
        donationId: [
          { required: true, message: "捐赠ID不能为空", trigger: "change" }
        ],
        demandId: [
          { required: true, message: "需求ID不能为空", trigger: "change" }
        ],
        quantity: [
          { required: true, message: "分配数量不能为空", trigger: "blur" }
        ],
        unit: [
          { required: true, message: "单位不能为空", trigger: "blur" }
        ],
        recipientName: [
          { required: true, message: "接收人姓名不能为空", trigger: "blur" }
        ],
        recipientPhone: [
          { required: true, message: "联系电话不能为空", trigger: "blur" }
        ],
        address: [
          { required: true, message: "地址不能为空", trigger: "blur" }
        ]
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询物资分配列表 */
    getList() {
      this.loading = true;
      listAllocation(this.queryParams).then(response => {
        this.allocationList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    /** 获取可用捐赠列表 */
    getDonationOptions() {
      getAvailableDonations().then(response => {
        this.donationOptions = response.data;
      });
    },
    /** 获取未满足需求列表 */
    getDemandOptions() {
      getUnfulfilledDemands().then(response => {
        this.demandOptions = response.data;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        allocationId: null,
        allocationTitle: null,
        donationId: null,
        demandId: null,
        quantity: null,
        unit: null,
        recipientName: null,
        recipientPhone: null,
        address: null,
        remark: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.allocationId);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.getDonationOptions();
      this.getDemandOptions();
      this.open = true;
      this.title = "添加物资分配";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      this.getDonationOptions();
      this.getDemandOptions();
      const allocationId = row.allocationId || this.ids;
      getAllocation(allocationId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改物资分配";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.allocationId != null) {
            updateAllocation(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addAllocation(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const allocationIds = row.allocationId || this.ids;
      this.$modal.confirm('是否确认删除物资分配编号为"' + allocationIds + '"的数据项？').then(function() {
        return delAllocation(allocationIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('aid/allocation/export', {
        ...this.queryParams
      }, `allocation_${new Date().getTime()}.xlsx`);
    },
    /** 捐赠选择改变事件 */
    handleDonationChange(value) {
      const donation = this.donationOptions.find(item => item.donationId === value);
      if (donation) {
        this.form.unit = donation.unit;
        this.form.materialType = donation.materialType;
        this.form.donationTitle = donation.donationTitle;
      }
    },
    /** 需求选择改变事件 */
    handleDemandChange(value) {
      const demand = this.demandOptions.find(item => item.demandId === value);
      if (demand) {
        this.form.demandTitle = demand.demandTitle;
        this.form.recipientName = demand.recipientName;
        this.form.recipientPhone = demand.recipientPhone;
        this.form.address = demand.address;
      }
    }
  }
};
</script> 